阅读理解ResearchersfromCornellUniversitythi

阅读理解Researchers from Cornell University think that it is because spice plants have some important chemicals(化学物质).These chemicals can kill bacteria(细菌)which spoil food.“Most mon spices can kill 75 to 100 percent of the bacteria in food，”explains one of the scientists.The bacteria grow more easily and spoil food more quickly at higher temperatures.For this reason，it is more difficult to keep food from spoiling in hot climates， Do you like your food spicy? Your answer probably tells something about the country you e from.If you like spicy food，it is possible that hundreds of years ago，when there were no fridges，people in your country started using spices to keep the food from spoiling.The traditional spicy dishes helped those people to live longer，healthier lives.Today，in a time of fridges，the spices just make the food taste good.1.The chemicals in spices keep food from spoiling by_________.A.making food taste betterB.making food hotterC.killing bacteria in foodD.preventing bacteria getting into food2.Food goes bad more quickly in hot climates because_______.A.high temperature makes more bacteriaB.high temperature helps bacteria grow fasterC.bacteria get used to hot foodD.bacteria spoil food only at high temperature3.According to the passage，spices are useful in an the following things except_______.A.replacing fridgesB.helping you to live longerC.helping to keep you healthierD.making your food taste better